diff --git a/src/stores/Distribution.js b/src/stores/Distribution.js
index d394d9a..fd8bbbf 100644
--- a/src/stores/Distribution.js
+++ b/src/stores/Distribution.js
@@ -44,12 +44,11 @@ class Distribution {
     const json = dynamicsX === false ? await req.fetchJSON(modelMapper[mkey].url, param) : await this.getApartDataStep(param);
     if (json.errcode === 0) {
       const dataLength = json.result.length;
-      const pickResult = dataLength > 20 ? json.result.slice(0, 30) : json.result;
-      const dataSource = calcDiff({ result: pickResult, resultToY: json.resultToY, resultToQ: json.resultToQ }, modelMapper[mkey].keySort);
+      const dataSource = calcDiff({ result: json.result, resultToY: json.resultToY, resultToQ: json.resultToQ }, modelMapper[mkey].keySort);
       runInAction(() => {
         this[mkey].loading = false;
         this[mkey].originData = json.result;
-        this[mkey].dataSource = dataSource;
+        this[mkey].dataSource = dataLength > 20 ? dataSource.slice(0,30) : dataSource;
         this.pageLoading = false;
       });
     }